A good bag is just about as important as the gadgets it carries. Your electronics are fragile and expensive to replace, and your back is fragile and impossible to replace. Ogio's Renegade RSS bag is damn near as good as it gets at protecting both.
A screencast is a screen capture of the actions on a user’s computer screen, typically with accompanying audio, distributed through RSS. This cite explains and give examples of different ways to incorporate and use Screencasting in the classroom.
"For if you remain silent at this time, relief and deliverance for the Jews will arise from another place, but you and your father’s family will perish. And who knows but that you have come to your royal position for such a time as this?